Class G – chimneys and flues etc. on a house
The General Permitted Development Order (GPDO) allows for chimneys and flues to be erected on many homes without the need for any planning. Needless to say there are a couple of restrictions, which we will cover in this article.
All these permissions are contained within Part 1 of the GPDO and apply only to C3 houses. Before starting work check to see if there any conditions that have been placed on your property. These are quite common on new build properties or maybe as a result of a previous planning approval. In those cases full planning permission might be required relevant to that condition or restriction.
Where else can’t we benefit?
These permissions do not apply to flats or maisonettes. Nor do they apply to houses that have been converted from agricultural buildings, storage, light industrial, shops or casinos. They do however apply to houses (not flats) converted from offices under Class O. There are also restrictions of the building is listed, in a conservation area, AONB, Broads or Heritage site. They might also have been removed as a result of an Article 4 or a condition on a previous planning application.
The chimney, flue or soil and vent pipe can’t exceed the highest part of the roof by more than 1 metre. On article 2(3) land, i.e. conservation areas, AONB, Broads or Heritage site the chimney, flue or soil and vent pipe can’t be installed on a wall or a roof slope that fronts the street or on a wall on the side elevation.
Apart from these minor restrictions you are good to go with your chimney or pipe.
Updated: 6th July 2020 to add link to Technical Guidance
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